The amounts of plastic waste generated in a region for 2 years were 32,400,000 tons and 20,300,000 tons. what was the total plastic waste generated in the region for these 2 years, expressed in scientific notation? 52.7 ⋅ 1014 tons 52.7 ⋅ 107 tons 5.27 ⋅ 107 tons 5.27 ⋅ 1014 tons

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.